/*	
	This program is free software; you can redistribute it and/or modify 
	it under the terms of the GNU General Public License as published by 
	the Free Software Foundation; either version 2 of the License, or 
	any later version.

    	This program is distributed in the hope that it will be useful, but 
	WITHOUT ANY WARRANTY; without even the implied warranty of 
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
	General Public License for more details.

    	You should have received a copy of the GNU General Public License 
	along with this program; if not, write to the Free Software 
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	USA
*/

// video
void init_memoria(void);
void init_video(void);
void add_char(int x,int y,char carattere,char attributo);
void trasloca(void);
void clear_memoria(void);
void clear_screen(void);
void set_page(int numero_pagina);
void scroll(void);
int riga;
int colonna;

// keyboard
void init_keyboard();

// serial

void recv_serial();
void send_serial(char info);
void init_serial();
